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Online Tests
Physics ECAT Pre Engineering Chapter 7 Oscillations Online Test MCQs With Answers
Question # 1
A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
Choose an answer
Circular motion, circumference
Vibrator, chord
SHM, diameter
SHM, circumference
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Question # 2
The body oscillates due to ______ accelerates and overshoots the rest position due to _____:
Choose an answer
Applied force , inertia
Restoring force, friction
Frictional force, inertia
Restoring force, inertia
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Question # 3
A body with frequency of would complete one vibration in:
Choose an answer
f seconds
1/f seconds
1 second
f
2
second
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Question # 4
When quarter of a circle is completed, phase of vibration is:
Choose an answer
90
°
180
°
45
°
360
°
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Question # 5
The time period of a simple pendulum is independent of its:
Choose an answer
Length
Mass
Value of g
Both A and B
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Question # 6
A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:
Choose an answer
1.5 sec
2.0 sec
2.3 sec
2.5 sec
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Question # 7
An object in SHM will have maximum speed when its displacement from equilibrium position is:
Choose an answer
Infinity
Maximum
Zero
Minimum
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Question # 8
The restoring force is always directed towards:
Choose an answer
Rest position
Equilibrium position
Mean position
All of them
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Question # 9
The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
Choose an answer
f
2 f
3 f
1/2 f
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Question # 10
The time taken to complete one vibration is called:
Choose an answer
Frequency
Amplitude
Time
Time period
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Question # 11
If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
Choose an answer
3 K
2 K
K/4
K/3
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Question # 12
If a mass of 10 gm is suspended from a spring of k = 9.8 Nm
-1
, then the extension will be:
Choose an answer
1 cm
1 m
10 mm
None of these
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Question # 13
If time period of a pendulum is doubled by increasing its length, then its frequency will
Choose an answer
Also be doubled
Become half
Become one fourth
Becomes four times
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Question # 14
Distance covered during one vibration of an oscillating body in terms of amplitude A is:
Choose an answer
A
2 A
3 A
4 A
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